STM TENGİZ
A large autonomous underwater-vehicle programme unveiled by STM in May 2026.
- Country / region
- Türkiye
- Programme status
- Concept / announced
- Sources reviewed
- 21 Sept 2026
- Primary domain
- Underwater
- System type
- Autonomous underwater vehicle
- Developer / manufacturer
- STM
- Origin / production countries
- Türkiye
- Other names
- TENGIZ
- Variants / configurations
- Not distinguished in reviewed sources
- Operators / programme customers
- Not identified in reviewed sources
Evidence & current status
Manufacturer claims are distinguished from procurement and acceptance evidence; undisclosed figures have not been estimated.
Role & capabilities
- Persistent underwater observation
- Modular mission carriage
- Underwater environmental sensing
Specifications in context
- Configuration
- Large autonomous underwater vehicle
Supplier-published configuration; payload and operating conditions affect performance.
Source - Hull / propulsion
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Dimensions
- 11.2 m length; 1.6 m diameter
Supplier-published configuration; payload and operating conditions affect performance.
Source - Displacement / mass
- 17.8 tonnes
Supplier-published configuration; payload and operating conditions affect performance.
Source - Payload
- Modular mission equipment and provision for smaller systems
Supplier-published configuration; payload and operating conditions affect performance.
Source - Endurance
- More than 20 days advertised
Design claim; battery/load conditions and demonstrated endurance not established.
Source - Range
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Speed
- More than 8 knots advertised
Supplier-published configuration; payload and operating conditions affect performance.
Source - Operating depth
- More than 400 m advertised
Supplier-published configuration; payload and operating conditions affect performance.
Source - Sensors
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Communications / control
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Launch / deployment
- Advertised compatibility with 40-foot ISO container dimensions
Transport footprint; specific launch-and-recovery installations not established.
Source